F347 Dual Plate Lug Type Check Valve
Body: F347, Alloy 20, Monel, Duplex, Super Duplex, Inconel, Hastelloy C276/B3, Titanium, Carbon Steel
Disc: F347, Alloy20, ss304, ss316
Seat: 13Cr, Stellite
Nominal Size: 2″ to 24″
Nominal pressure: Class150 to Class600, PN1.6, PN2.5Mpa, PN4.2MPa
End Connection: Lug
Design and Manufacture: ANSI B16.34, API 6D, DIN 3840, BS EN 1868
Face to Face Dimensions: ANSI B16.10, API 6D, DIN3202, BS EN558-1
Flange End Dimensions: ANSI B16.5, DIN 2543, BS EN 1092-1
Buttweld End Dimensions: ANSI B16.25
Test and Inspection: API598, API6D, DIN3230, BS EN 12569
Dimensions
| NPS |
in |
2 |
21/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
| 150Lb |
L |
mm |
60 |
67 |
73 |
73 |
86 |
98 |
127 |
146 |
181 |
184 |
191 |
203 |
219 |
222 |
| D |
mm |
103 |
122 |
135 |
173 |
196 |
222 |
279 |
339 |
409 |
450 |
514 |
549 |
606 |
717 |
| D1 |
mm |
120.5 |
139.5 |
152.5 |
190.5 |
216 |
241.5 |
298.5 |
362 |
432 |
476 |
540 |
578 |
635 |
749.5 |
| D2 |
mm |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
| n-Фd |
mm |
4-19 |
4-19 |
4-19 |
8-19 |
8-22 |
8-22 |
8-22 |
12-25 |
12-25 |
12-29 |
16-29 |
16-32 |
20-32 |
20-35 |
| 300Lb |
L |
mm |
60 |
67 |
73 |
73 |
86 |
98 |
127 |
146 |
181 |
222 |
232 |
– |
– |
– |
| D |
mm |
110 |
128 |
148 |
180 |
215 |
250 |
307 |
361 |
422 |
485 |
539 |
– |
– |
– |
| D1 |
mm |
127 |
149 |
168.5 |
200 |
235 |
270 |
330 |
387.5 |
451 |
514.5 |
571.5 |
– |
– |
– |
| D2 |
mm |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
– |
– |
– |
| n-Фd |
mm |
8-19 |
8-22 |
8-22 |
8-22 |
8-22 |
12-22 |
12-25 |
16-29 |
16-32 |
20-32 |
20-35 |
– |
– |
– |
| 600Lb |
L |
mm |
60 |
67 |
73 |
79 |
105 |
137 |
165 |
213 |
229 |
273 |
305 |
– |
– |
– |
| D |
mm |
110 |
129 |
148 |
192 |
240 |
265 |
319 |
399 |
456 |
489 |
562 |
– |
– |
– |
| D1 |
mm |
127 |
149 |
168.5 |
216 |
267 |
292 |
349 |
432 |
489 |
527 |
603 |
– |
– |
– |
| D2 |
mm |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
– |
– |
– |
| n-Фd |
mm |
8-19 |
8-22 |
8-22 |
8-25 |
8-29 |
12-29 |
12-32 |
16-35 |
20-35 |
20-38 |
20-41 |
– |
– |
– |